<?php if (!defined('BASEPATH')) exit('No direct script access allowed');
/**
 * CodeIgniter
 *
 * An open source application development framework for PHP 5.1.6 or newer
 *
 * @package        CodeIgniter
 * @author        ExpressionEngine Dev Team
 * @copyright    Copyright (c) 2008 - 2011, EllisLab, Inc.
 * @license        http://codeigniter.com/user_guide/license.html
 * @link        http://codeigniter.com
 * @since        Version 1.0
 * @filesource
 */

// ------------------------------------------------------------------------

/**
 * CodeIgniter Inflector Helpers
 *
 * @package        CodeIgniter
 * @subpackage    Helpers
 * @category    Helpers
 * @author        ExpressionEngine Dev Team
 * @link        http://codeigniter.com/user_guide/helpers/directory_helper.html
 */


// --------------------------------------------------------------------

/**
 * Singular
 *
 * Takes a plural word and makes it singular
 *
 * @access    public
 * @param    string
 * @return    str
 */
if (!function_exists('singular')) {
    function singular($str)
    {
        $str = trim($str);
        $end = substr($str, -3);

        $str = preg_replace('/(.*)?([s|c]h)es/i', '$1$2', $str);

        if (strtolower($end) == 'ies') {
            $str = substr($str, 0, strlen($str) - 3) . (preg_match('/[a-z]/', $end) ? 'y' : 'Y');
        } elseif (strtolower($end) == 'ses') {
            $str = substr($str, 0, strlen($str) - 2);
        } else {
            $end = strtolower(substr($str, -1));

            if ($end == 's') {
                $str = substr($str, 0, strlen($str) - 1);
            }
        }

        return $str;
    }
}

// --------------------------------------------------------------------

/**
 * Plural
 *
 * Takes a singular word and makes it plural
 *
 * @access    public
 * @param    string
 * @param    bool
 * @return    str
 */
if (!function_exists('plural')) {
    function plural($str, $force = FALSE)
    {
        $str = trim($str);
        $end = substr($str, -1);

        if (preg_match('/y/i', $end)) {
            // Y preceded by vowel => regular plural
            $vowels = array('a', 'e', 'i', 'o', 'u', 'A', 'E', 'I', 'O', 'U');
            $str = in_array(substr($str, -2, 1), $vowels) ? $str . 's' : substr($str, 0, -1) . 'ies';
        } elseif (preg_match('/h/i', $end)) {
            if (preg_match('/^[c|s]h$/i', substr($str, -2))) {
                $str .= 'es';
            } else {
                $str .= 's';
            }
        } elseif (preg_match('/s/i', $end)) {
            if ($force == TRUE) {
                $str .= 'es';
            }
        } else {
            $str .= 's';
        }

        return $str;
    }
}

// --------------------------------------------------------------------

/**
 * Camelize
 *
 * Takes multiple words separated by spaces or underscores and camelizes them
 *
 * @access    public
 * @param    string
 * @return    str
 */
if (!function_exists('camelize')) {
    function camelize($str)
    {
        $str = 'x' . strtolower(trim($str));
        $str = ucwords(preg_replace('/[\s_]+/', ' ', $str));
        return substr(str_replace(' ', '', $str), 1);
    }
}

// --------------------------------------------------------------------

/**
 * Underscore
 *
 * Takes multiple words separated by spaces and underscores them
 *
 * @access    public
 * @param    string
 * @return    str
 */
if (!function_exists('underscore')) {
    function underscore($str)
    {
        return preg_replace('/[\s]+/', '_', strtolower(trim($str)));
    }
}

// --------------------------------------------------------------------

/**
 * Humanize
 *
 * Takes multiple words separated by underscores and changes them to spaces
 *
 * @access    public
 * @param    string
 * @return    str
 */
if (!function_exists('humanize')) {
    function humanize($str)
    {
        return ucwords(preg_replace('/[_]+/', ' ', strtolower(trim($str))));
    }
}


/* End of file inflector_helper.php */
/* Location: ./system/helpers/inflector_helper.php */